GHSA-2M53-83F3-562J

Vulnerability from github – Published: 2022-02-01 00:44 – Updated: 2025-07-18 19:59
VLAI?
Summary
Prototype pollution in min-dash
Details

Impact

The set method is vulnerable to prototype pollution with specially crafted inputs.

// insert the following into poc.js and run node poc,js (after installing the package)

let parser = require("min-dash");
parser.set({}, [["__proto__"], "polluted"], "success");
console.log(polluted);

Patches

min-dash>=3.8.1 fix the issue.

Workarounds

No workarounds exist for the issue.

References

Closed via https://github.com/bpmn-io/min-dash/pull/21.

Credits

Credits to Cristian-Alexandru STAICU who found the vulnerability and to Idan Digmi from the Snyk Security Team who reported the vulnerability to us, responsibly.

Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "min-dash"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.8.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.webjars.npm:min-dash"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.8.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-23460"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1321"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-01-27T23:11:40Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "### Impact\n\nThe `set` method is vulnerable to prototype pollution with specially crafted inputs.\n\n```javascript\n// insert the following into poc.js and run node poc,js (after installing the package)\n \nlet parser = require(\"min-dash\");\nparser.set({}, [[\"__proto__\"], \"polluted\"], \"success\");\nconsole.log(polluted);\n```\n\n### Patches\n\n`min-dash\u003e=3.8.1` fix the issue.\n\n### Workarounds\n\nNo workarounds exist for the issue.\n\n### References\n\nClosed via https://github.com/bpmn-io/min-dash/pull/21.\n\n### Credits\n\nCredits to Cristian-Alexandru STAICU who found the vulnerability and to Idan Digmi from the Snyk Security Team who reported the vulnerability to us, responsibly.",
  "id": "GHSA-2m53-83f3-562j",
  "modified": "2025-07-18T19:59:29Z",
  "published": "2022-02-01T00:44:35Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/bpmn-io/min-dash/security/advisories/GHSA-2m53-83f3-562j"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23460"
    },
    {
      "type": "WEB",
      "url": "https://github.com/bpmn-io/min-dash/pull/21"
    },
    {
      "type": "WEB",
      "url": "https://github.com/bpmn-io/min-dash/commit/2c6689e2aa29f4b66a4874a2f3003431e9db48d1"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/bpmn-io/min-dash"
    },
    {
      "type": "WEB",
      "url": "https://github.com/bpmn-io/min-dash/blob/c4d579c0eb2ed0739592111c3906b198921d3f52/lib/object.js#L32"
    },
    {
      "type": "WEB",
      "url": "https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-2342127"
    },
    {
      "type": "WEB",
      "url": "https://snyk.io/vuln/SNYK-JS-MINDASH-2340605"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Prototype pollution in min-dash"
}


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